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MixMaster Mike, as he's been known, had a great time at the finish line of the Philadelphia Marathon on Sunday morning.

The mayor was busting moves to Robin Thicke's "Blurred Lines" as he congratulated runners finishing the race along the Benjamin Franklin Parkway.

"You know the mayor was out there for hours, at the start and the finish. . .High fivin' runners probably into the afternoon," said the mayor's press secretary, Mark McDonald. "I think it's fair to say he got himself a little exercise too."

There were lots of bobs, a few arm raises and more than a few claps during his two-minute dance -- all caught on camera by a spectator in the crowd.

The mayor's moves didn't seem to spike anyone's attention (save the guy recording it), including a baby girl who seemed disinterested in the dance.

But Hey, Hey, Hey, we loved it.

Nutter is currently joining Vice President Joe Biden on a trade trip to Panama.

He's not the only mayor of a major U.S. city to break down to the song. Rahm Emanuel, Chicago's mayor and former chief of staff to President Barack Obama, was caught dancing to the song in July.